『引数の型ヒントをlistにしてはいけません』

kotoha_prototype.py

import ast


class ArgumentConcreteTypeHintChecker(ast.NodeVisitor):
    def visit_arg(self, node):
        annotation = node.annotation
        if annotation.value.id in {"list", "dict", "set", "tuple"}:
            print(f"Fix at {node.lineno}:{node.col_offset}")
            print(ast.dump(node))
        self.generic_visit(node)


code = """\
from collections.abc import Iterable

print("Hello, world!")


def plus_one_ng(numbers: list[int]) -> list[int]:
    return [n + 1 for n in numbers]


def plus_one_ok(numbers: Iterable[int]) -> list[int]:
    return [n + 1 for n in numbers]
"""

tree = ast.parse(code)

ArgumentConcreteTypeHintChecker().visit(tree)